How To Build A Pond Vacuum How Would You Build A Pond?

How would you build a pond? - how to build a pond vacuum

I already have a large pond, but there is a pond outside with my silver ring wholesale, I would like to build a pond in a room for my Gold Asian Arowana, because it is more tender and sweet. My silver ring is very wild and took spend two birds. As you can type you use, make, etc. Pre-Sea. What type of heating and filtration systems. The room is 4x5m.